WhatsApp emerged as a major communication platform in many countries in the recent
years. Despite offering only one-to-one and small group conversations, WhatsApp has been …

Tagging a friend in a comment is one of the main mechanisms to lead user interaction in
social media. This paper investigates the current practice of user tagging in Instagram by …

Collective user behavior in social media applications often drives several important online
and offline phenomena linked to the spread of opinions and information. Several studies …

Twitter, Instagram and Facebook are expanding rapidly, reporting on daily news, social
activities and regional or international actual occurrences. Twitter and other platforms have …

YouTube is the second most visited website in the world and receives comments from
millions of commenters daily. The comments section acts as a space for discussions among …

The metaverse has created a huge buzz of interest because such a phenomenon is
emerging. The behavioral aspect of the metaverse includes user engagement and deviant …

Stance detection, as the task of determining the viewpoint of a social media post towards a
target as' favor'or'against', has been understudied in the challenging yet realistic scenario …

A relevant fraction of human interactions occurs on online social networks. Freshness of
content seems to play an important role, with content popularity rapidly vanishing over time …

A large volume of content related to claims of election fraud, often associated with hate
speech and extremism, was reported on Twitter during the 2020 US election, with evidence …

A relevant fraction of human interactions occurs on online social networks. In this context,
the freshness of content plays an important role, with content popularity rapidly vanishing …